.title1{
	background-color: orange;
}
.title2{
	background-color: green;
}
#demo1{
	width: 100px;
	height: 100px;
	background-image: url('../imgs/react.png');
	background-size: 100%;
	display: flex;
}
#demo2{
	width: 100px;
	height: 100px;
	background-image: url('../imgs/vue.png');
	background-size: 100%;
}
